chore: set model name to 'gpt-4o-mini' in server and test configs

- Updated `math_server.py` and `test_integration.py` to explicitly use 'gpt-4o-mini'
- Ensures consistent model configuration across test and runtime environments

examples/mcp_example/math_server.py

@@ -36,4 +36,6 @@ def calculate_percentage(part: float, whole: float) -> float:
 
 if __name__ == "__main__":
     print("Starting Math Server on port 6274...")
+    # Initialize LiteLLM with specific model
+llm = LiteLLM(model_name="gpt-4o-mini")
 mcp.run(transport="sse", host="0.0.0.0", port=6274)

examples/mcp_example/test_integration.py

@@ -21,7 +21,8 @@ def setup_agent(name: str, description: str, servers: list) -> Agent:
         system_prompt="You are a math assistant. Process mathematical operations using the provided MCP tools.",
         max_loops=1,
         mcp_servers=servers,
-        streaming_on=False
+        streaming_on=False,
+        model_name="gpt-4o-mini" # Added model_name here
     )
 
 def main():